Home / 3,930,224.80-5,895,337.20-1,405,962.40

Finding the Fourth Proportional to 3,930,224.80, 5,895,337.20 and 1,405,962.40

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Solution

The fourth proportional to 3,930,224.80, 5,895,337.20 and 1,405,962.40 is: 2,108,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,224.80 : 5,895,337.20 = 1,405,962.40 : x
  2. Step 2: Convert to fraction form
    3,930,224.80/5,895,337.20 = 1,405,962.40/x
  3. Step 3: Cross multiply
    3,930,224.80x = 5,895,337.20 × 1,405,962.40
  4. Step 4: Simplify right side
    3,930,224.80x = 8,288,622,438,521.28
  5. Step 5: Solve for x
    x = 8,288,622,438,521.28/3,930,224.80
  6. Step 6: Final answer
    x = 2,108,943.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.